L BEND Zener Diodes 87

Reset All
Part RoHS Manufacturer Diode Type Terminal Position Terminal Form No. of Terminals Surface Mount Package Shape Package Body Material Working Test Current Config Maximum Voltage Temperature Coefficient Nominal Reference Voltage Maximum Output Current Maximum Non Repetitive Peak Reverse Power Dissipation Maximum Forward Voltage (VF) Nominal Breakdown Voltage Maximum Reverse Recovery Time Technology Maximum Reverse Current No. of Elements Reverse Test Voltage Package Style (Meter) Sub-Category Maximum Voltage Tolerance Maximum Repetitive Peak Reverse Voltage Maximum Knee Impedance Maximum Operating Temperature Maximum Dynamic Impedance Minimum Operating Temperature Terminal Finish JESD-30 Code Moisture Sensitivity Level (MSL) Polarity Case Connection Qualification Maximum Power Dissipation Additional Features JEDEC-95 Code Maximum Clamping Voltage Minimum Breakdown Voltage Maximum Non Repetitive Peak Forward Current JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Diode Element Material Maximum Breakdown Voltage Reference Standard

1SMB5919BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

66.9 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

2 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

SZ1SMB5919BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

66.9 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

2 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5918BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

73.5 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

4 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

SZ1SMB5929BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

25 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

9 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5918BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

73.5 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

4 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5929BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

25 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

9 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

1SMB5931BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

20.8 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

12 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

1SMB5913BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

113.6 mA

SINGLE

3.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

SZ1SMB5915BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

96.1 mA

SINGLE

3.9 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

7.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5915BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

96.1 mA

SINGLE

3.9 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

7.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

1SMB5924BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

41.2 mA

SINGLE

9.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

4 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

1SMB5914BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

104.2 mA

SINGLE

3.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

9 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

1SMB5934BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

15.6 mA

SINGLE

24 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

19 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

1SMB5917BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

79.8 mA

SINGLE

4.7 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

1SMB5920BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

60.5 mA

SINGLE

6.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

2 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

SZ1SMB5920BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

60.5 mA

SINGLE

6.2 V

ZENER

1

SMALL OUTLINE

5 %

150 Cel

-65 Cel

Matte Tin (Sn) - annealed

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5934BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

15.6 mA

SINGLE

24 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

19 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5931BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

20.8 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

12 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5923BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

45.7 mA

SINGLE

8.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

3.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

SZ1SMB5917BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

79.8 mA

SINGLE

4.7 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5921BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

55.1 mA

SINGLE

6.8 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

2.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

1SMB5927BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

31.2 mA

SINGLE

12 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

6.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

SZ1SMB5921BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

55.1 mA

SINGLE

6.8 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

2.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5913BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

113.6 mA

SINGLE

3.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5925BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

37.5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

4.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

SZ1SMB5914BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

104.2 mA

SINGLE

3.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

9 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5927BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

31.2 mA

SINGLE

12 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

6.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5924BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

41.2 mA

SINGLE

9.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

4 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5935BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

13.9 mA

SINGLE

27 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

23 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

SZ1SMB5925BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

37.5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

4.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5922BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

50 mA

SINGLE

7.5 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

3 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

SZ1SMB5938BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

10.4 mA

SINGLE

36 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

38 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5936BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

12.5 mA

SINGLE

30 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

26 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

1SMB5938BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

10.4 mA

SINGLE

36 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

38 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

SZ1SMB5935BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

13.9 mA

SINGLE

27 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

23 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5936BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

12.5 mA

SINGLE

30 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

26 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5930BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

23.4 mA

SINGLE

16 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

1SMB5916BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

87.2 mA

SINGLE

4.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

6 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

SZ1SMB5923BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

45.7 mA

SINGLE

8.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

3.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5928BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

28.8 mA

SINGLE

13 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

7 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

SZ1SMB5916BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

87.2 mA

SINGLE

4.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

6 ohm

-65 Cel

Matte Tin (Sn) - annealed

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5937BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

11.4 mA

SINGLE

33 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

33 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

1SMB5956BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

1.9 mA

SINGLE

200 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

1200 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

1SMB5949BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

3.7 mA

SINGLE

100 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

250 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

SZ1SMB5937BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

11.4 mA

SINGLE

33 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

33 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5946BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

75 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

140 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

SZ1SMB5928BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

28.8 mA

SINGLE

13 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

7 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5922BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

50 mA

SINGLE

7.5 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

3 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

Zener Diodes

Zener diodes are electronic components that are designed to operate in the reverse breakdown region of their P-N junction, providing a stable and predictable voltage output. They are commonly used in electronic circuits as voltage regulators, voltage references, and surge protectors.

Zener diodes operate based on the properties of their P-N junction, which is designed to have a narrow depletion region and a low breakdown voltage. When a reverse voltage is applied to the diode, the depletion region widens, allowing a small reverse current to flow. As the voltage across the diode increases, the reverse current increases exponentially, maintaining a stable voltage across the diode.

Zener diodes offer several advantages over other types of voltage regulators, such as simplicity, low cost, and high efficiency. They do not require any external components, such as capacitors or inductors, and they can provide a stable output voltage over a wide range of input voltages and temperatures.

Zener diodes are commonly used in electronic circuits that require a stable voltage source, such as power supplies, battery chargers, and voltage regulators. They come in different package sizes and voltage ratings, depending on the application and the required performance.